Trailer-light plug cover



FIG. 1 is a left-side perspective view of a trailer-light plug cover showing the new design;

FIG. 2 is a right-side perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a top perspective view thereof;

FIG. 5 is a front perspective view thereof;

FIG. 6 is a back perspective thereof;

FIG. 7 is a side-front perspective view thereof; and,

FIG. 8 is a side-bottom perspective view thereof. 

CLAIM The ornamental design for a trailer-light plug cover, as shown and described. 